Fentanyl vs Imatinib
## Fentanyl vs Imatinib: Overview
This comparison examines the pharmacological differences between **Fentanyl** and **Imatinib**.
## Mechanism of Action
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
**Imatinib**: Selective inhibitor of BCR-ABL, c-Kit, and PDGFR tyrosine kinases.
## Pharmacokinetics
**Half-life**: Fentanyl — 2-4 hours; Imatinib — 18 hours.
## Chemical Properties
**Molecular Formula**: Fentanyl — C22H28N2O; Imatinib — C29H31N7O.
**Molecular Weight**: Fentanyl — 336.4700 g/mol; Imatinib — 493.6030 g/mol.
**Type**: Fentanyl — Small molecule; Imatinib — Small molecule.